Fig. 8
Galaxy velocity distribution of the inner ~300 kpc region of the RX J1548.9+0851 system (N = 32) correlated with the measured SSP ages a) Galaxy velocity distribution. Old galaxies (>8 Gyr) are indicated as cross-hatched histograms. b) Age-velocity plane. Galaxies are separated into old and young objects. Ellipses contain the same objects as those in Fig. 7 and separate old galaxies into subsamples around BG1 and BG2. See text for details.
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